Apparatus for chemical reaction on heated solid material



an ch 19, 1929.

swam

T, emswow. JR

APPARATUS FOR CHEMICAL REACTION O N HEATED SOLID MATERIAL 2 sheets-shetINVENIOR.

Filed Jan. 27, 1927 ATTORNEYS arch 19 1929.

T. GRHSWOLD, JR.

APPARATUS FOR CHEMICAL REACTION ON HEATED S OLID MATERIAL Filed Jan. 27,1-927 V 2 Sheets-Sht 2 o 1/ ""(llllllll ,1,

INVENTOR. v fizmzas @fjlUU/Cf J1? A rromv Patented li/lar. is, teas.

area-era un tes, srarasi araar @FFHQE.

THOMAS GRISWOLD, JR, MIDLAND, MICHIGAN, ASSIGNQR TO THE DOW CHEMICALCOMPANY, OF MIDLAND, MICHIGAN, A CORPORATIOLT OF MICHIGAN.

APPARATUS FOR CHEMICAL REACTION O NlHEA TED SOLID MATERIAL.

Application filed January 27, 1927. Serial at. 163,930.

This invention relates to apparatus-for chemical reactions Wherethere isa mass of solid material and a gasiform substance, at elevatedtemperature; and .it is amongthe.

objects of the invention to provide for: efii-- cient va orizingandsupplying such sub-;

stance, a so for removing refuse from the site of-reacti0n. Other obe'cts and advantages will appear as the description .procoeds.

To the accomplishment of the foregoing and related ends, the invention,then, consists of the features hereinafter fully described,

- and particularlyv pointed out in the claims,

the following description and the annexed drawings illustrating but oneof the various ways in which the principle of the inven tion may beemployed.

In said annexed drawingsz 'Fig; 1 is a vertical sectional view of anembodiment of the invention; Fig. 2 is .a vertical section taken on aplane at right angles to that of Fig. 1; Fig. 8 is a sectional detail onlarger scale; and Fig. fl is a view at right angles to Fig. 3, with thedoor removed and the setting partly broken away.

The reference character 1 in the drawing designates. a reaction chamberfor retort 1, preferably separable or removable and .of tubular form,round or elliptical or of other desired crosssection. Beneath eachretort,

a clean-out chamber combined with a vaporizer is arranged. This may takethe form of a receptacle 2 having a horizontal partition 3 therein, thecompartment above the partition serving as an ash or refuse receiver,while the compartment below the partition serves as a-vaporizingchamber.

The supply conduit or pipe 4 opens into or connects with the lowercompartment, and may have a trap 5, the main supply of the material.to'be vaporized being furnished tacle 2 has a door or closure 7 and thepartition 3 is spaced back'there 0m substantially to allow freecommunication from the lower compartment to theupp'er and to the retort.A pedestal 8 maybe provided, preferably integrally, for the support ofthe receptac e 2. I Surmounting the .retorts are heads 9,

' which may be of sufiicient capacity to pro- "vide magazine feed, andeach head has a closure 10 and an outlet connection 11 ,leading to acondenser or absorber system, (not 1 shown).

In-the same generalsetting, a gas pro,- ducer or generator 12 isincluded, masonry Walls T in --common being preferably employed,and-from the producer a duct 13 communicates directly with mixingports14 in conjunction with 'an air supply flue 15. Theair supply'flue isarranged in a regeneratoror ,rec u'perator construction with theoutgoing flue ltj' for the stack gases, and in this manner the air feedfor the combustion system is brought up to temperature facilitatingeflicient From the ports 14, afiue system surrounds the retorts and thereceptacles 2, vertical and horizontal bafiles being arranged to di-'vert the hot combustion products for circulation about the respectiveunits.

te r'ial to be employed. In'the case of carcombustion.

bon disulphide manufacture, this will be carbon, in the form ofcharcoalfor instance.

The temperature is brought up by combustion in the flue system to a redheat for instance in thecase of CS manufacture, and

the material vto be va orized is supplied .from the pipe 6 into t evaporizing compartment at the base of receptacle 2.. In the .case ofsulphur, it is preferable to melt the sulphur in a suitable'melter, notshown, and

forward the molten sulphur through the pipe, regulating thefeed asrequired by the valve. The products of reaction in gase ous form aretaken ofi through ,the outlet 11 to the .condenser or absorber system.

The retorts '1 may be' made of ceramic material, or of metal, as castiron,to suit the. process being worked. Similarly the receptacles 2 maybe made of ceramic material or of metal, and a one-pieceor integralconstruction is particularly desirable; For carbon disulphidemanufacture, a ceramic retort andcast iron-vaporizer is preferred.

With the'assembled units in compact arrangement together with theheating means,

as in accordance with'this invention, heat introduced into the-system isutilized to its largest extent. and a uniformity ofcontrol is to be hadin a manner not obtainable in isolated and separate unit construction.

Moreover, the arrangement of the vaporiz eris such as to utilize heateffectively and at' the same time not interfere With the functioning ofthe clean-out portion:

Gas mixing ports may be provided to add combustible to the tlues at anypoint desired, as for instance beyond the retort and before thevaporizer if additional heat in excess of that available. from thespent' gas be required there. In this Way the larger portion of the heatmaybe supplied to the Vaporizers iidesired.

Other modes of applying the principle of the invention may be employed,change being made as regards the details disclosed, pro.- vided themeans stated in any otthe foilowing claims, or the equivalent of such,b68111- ployed. y

it therefore particularly point out and distinctly claim as myinvention:

1. In apparatus of the character described, the combination of areactionchainber, and separate chambers for an a'sh pot and a vaporizerthereunder.

2. In apparatus of the character described,

the combination of a reaction chamber,

' separate chambers for an ash pot and vaporizer-thereunder, and heatingflues about the reaction chamber, the ash pot andthe vaporizer. b v 3.In apparatus of the characterdescribed,

the combination of a reaction chamber, and a "one-piece'partition-separated ash pot and vaporizer. V

4. In a paratus of the-character,described, the combination of'areaction chamber, an ash-chatnber thereunder, anda vaporizingchamber',under the ash-chamber..

I 5. ,In' apparatus of the character described, the combination of a.".jreaction chamber,- a

communicating receptacle thereunder having' ceptacle.

a front closure, and a horizontal partition in said receptacle extendingto a point spaced from the closure.

6. ln'apparatus of the character described,

the combination or a reaction chamber, a

communicating receptacle thereunder a horizontal partition, and aneatrsj surround ng said receptacie.

having flue 7. In apparatus of the character described, 7

the combination or a reaction chamber, a communicating receptaclethereunder having a horizontal partition, and a teed-[conduit forsupplying below the partition material to lee-vaporized. v I 8. inapparatus of the character described, the combination of a reactionchamber, a

communicating receptacle thereunder having a front closure and ahorizontal partition extending to a point spaced from the closure,

and a heating" flue surrounding said re- Signed by nc this 14; day orJanuary,

' THOMAS GRISYWOLVD', JR.

